Zobrazujú sa: Uruguaj - Poštové známky (1930 - 1939) - 14 známky.
WM: nikto Rytina: Imprenta Nacional, Montevideo. Perforácia: 12½
![[Rio Negro Dam, typ IQ]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ-s.jpg)
![[Rio Negro Dam, typ IQ1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ1-s.jpg)
![[Rio Negro Dam, typ IQ2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ2-s.jpg)
![[Rio Negro Dam, typ IQ3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ3-s.jpg)
WM: nikto Rytina: Imprenta Nacional, Montevideo. Perforácia: 12½
![[Airmail - Rio Negro Dam, typ IR]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR-s.jpg)
![[Airmail - Rio Negro Dam, typ IR1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR1-s.jpg)
![[Airmail - Rio Negro Dam, typ IR2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR2-s.jpg)
![[Airmail - Rio Negro Dam, typ IR3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR3-s.jpg)
![[Airmail - Rio Negro Dam, typ IR4]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR4-s.jpg)
![[Airmail - Rio Negro Dam, typ IR5]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR5-s.jpg)
![[Airmail - Rio Negro Dam, typ IR6]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR6-s.jpg)
![[Airmail - Rio Negro Dam, typ IR7]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR7-s.jpg)
![[Airmail - Rio Negro Dam, typ IR8]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR8-s.jpg)
![[Airmail - Rio Negro Dam, typ IR9]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR9-s.jpg)
| Číslo | Typ | D | Farba | Popis |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 573 | IR | 8C | svetlo zelená | (200.600) | 0,53 | - | 0,53 | - | USD |
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| 574 | IR1 | 20C | zelená | (50.000) | 0,53 | 5,27 | 3,16 | - | USD |
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| 575 | IR2 | 20C | zelená | (10.000) | 1,58 | - | 1,05 | - | USD |
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| 576 | IR3 | 62C | zelenkasto modrá | (300.000) | 8,44 | - | 6,33 | - | USD |
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| 577 | IR4 | 68C | žltá | (50.000) | 0,79 | - | 0,26 | - | USD |
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| 578 | IR5 | 68C | fialovo hnedá | (50.000) | 1,58 | - | 1,05 | - | USD |
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| 579 | IR6 | 75C | fialová | (5.000) | 6,33 | - | 6,33 | - | USD |
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| 580 | IR7 | 1P | karmínová | (50.000) | 2,11 | - | 1,58 | - | USD |
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| 581 | IR8 | 1.38P | ružová | (20.000) | 21,09 | - | 15,82 | - | USD |
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| 582 | IR9 | 3P | tmavo modrá | (20.000) | 15,82 | - | 10,54 | - | USD |
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| 573‑582 | 58,80 | 5,27 | 46,65 | - | USD |
